how can you explain sliding filament theory
Answers
Answer:
Definition. According to the sliding filament theory, muscle contraction occurs through the relative sliding of two sets of filaments ( actin and myosin). This sliding is produced by cyclic interactions of sidepieces from the myosin filament ( cross-bridges) with specific sites on the actin filament.
Explanation:
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How can you explain sliding filament theory.
Answer:-
The sliding filament theory explains the mechanism of muscle contraction based on muscle proteins that slide past each other to generate movement.
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Extra information related:-
By studying sarcomeres, the basic unit controlling changes in muscle length, scientists proposed the sliding filament theory to explain the molecular mechanisms behind muscle contraction. Within the sarcomere, myosin slides along actin to contract the muscle fiber in a process that requires ATP.
Summary:-
According to the sliding filament theory, a muscle fiber contracts when myosin filaments pull actin filaments closer together and thus shorten sarcomeres within a fiber. When all the sarcomeres in a muscle fiber shorten, the fiber contracts.
During sliding filament theory:-
According to the sliding filament theory, the myosin (thick) filaments of muscle fibers slide past the actin (thin) filaments during muscle contraction, while the two groups of filaments remain at relatively constant length.